Directed by Taika Waititi, Thor: Ragnarok is Marvel Studios' third film to release this year, and the final installment in a trilogy for Chris Hemsworth's Thor. Described by many involved in the project as one of Marvel's most important films to date, Thor: Ragnarok pits the God of Thunder against the Goddess of Death. After Hela destroys Thor's hammer, Thor is sent to an alien planet to fight in a gladiator pit against the Hulk. Later, Thor and Hulk will team up with Valkyrie and Loki to return to Asgard and defeat Hela.

In a report from THR, it was revealed that on Tuesday night, Mark Ruffalo accidentally streamed audio from Thor: Ragnarok during the world premiere at the El Capitan Theatre, unknowingly allowing 2,500 fans to listen in on the stream.

Last night, Mark Ruffalo sent out a series of tweets to address the mistake. To one fan who asked Ruffalo if he still had a job, the actor jokingly replied, "I'm working on it." After making another joke about the incident, Ruffalo tweeted an apology to Marvel before asking if he could have his phone back.

According to THR, it happened after Ruffalo took the stage following an introduction from Grandmaster actor and fellow cast member Jeff Goldblum. While receiving a welcoming reception from the audience, Ruffalo took out his phone to capture the moment using the app, Instagram Live. Before the movie started, Ruffalo put the phone back in his pocket without turning off the app. Fans listening in on the stream were able to hear audio from the film along with sounds of laughter from Ruffalo and the crowd. Eventually, the stream was cut off, either by itself or because Ruffalo was notified that it was still running.

Pirating is treated as a serious issue in the movie industry, and Marvel Studios is certainly no exception. The company went to great lengths to avoid pirating of the film during the world premiere. Audience members' phones were taken away by security staff and placed in sealed pouches before being allowed to enter the theater. Their phones were returning after the screening was over. This policy may not apply to the cast, but that may change when Ruffalo attends the world premiere for Avengers: Infinity War next year.